young soldier, Kate (Zara Phythian), returns from a tour in Afghanistan after witnessing her boyfriend's tragic death in combat. With the comfort of her friends, including Torri (Barbara Nedeljacova), she takes the chance to get away on a camping trip to a picturesque, remote area of the British countryside. Wanting to escape their past, the girls begin their expedition into the woods for a peaceful break. As they near Sunset Point, they come across a strange and evasive group of locals who seem to be living off the land. During their journey they also have a friendly encounter with three charming, rock-climbing adventurers, led by Ethan (Ben Loyd Holmes). After the girls find themselves secluded again, Charlie (Jemma Bolt) goes suddenly goes missing, leaving the girls vulnerable in the dangerous woods.

A woman named Kiwako (Hiromi Nagasaku) abducts a baby from a man whom she has had an affair with. For four years Kiwako raises the child as her own until she is arrested. The child named Erina is then returned to her birth parents, but she can’t find peace. As an adult, Erina (Mao Inoue) also becomes involved with a married man and becomes pregnant. To confront her past, Erina goes to Shodoshima where she lived with Kiwako as a child.